mathsurgery - Sequences functions and graphs 2 year 8

All
• Express simple functions in words, then using symbols; represent them in mappings
• Generate coordinate pairs that satisfy a simple linear rule; plot the graphs of simple linear functions, where y is given explicitly in terms of x, on paper and using ICT; recognise straight-line graphs parallel to the x-axis or y-axis
• Plot and interpret the graphs of simple linear functions arising from real-life situations, e.g. conversion graphs

Most
• Express simple functions algebraically and represent them in mappings or on a spreadsheet
• Generate points in all four quadrants and plot the graphs of linear functions, where y is given explicitly in terms of x, on paper and using ICT; recognise that equations of the form y = mx + c correspond to straight-line graphs
• Construct linear functions arising from real-life problems and plot their corresponding graphs; discuss and interpret graphs arising from real situations, e.g. distance–time graphs

Some
• Find the inverse of a linear function
• Generate points and plot graphs of linear functions, where y is given implicitly in terms of x (e.g. ay + bx = 0, y + bx + c = 0), on paper and using ICT; find the gradient of lines given by equations of the form y = mx + c, given values for m and c
• Construct functions arising from real-life problems and plot their corresponding graphs; interpret graphs arising from real situations, e.g. time series graphs

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Sequences functions and graphs 2 year 8